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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Standing to be mounted (last one able to notice); mounting other animals; social behavior-restless - gregarious - activity - vocalizing; frequent urination; mucous discharge






2. (FSH) causes egg to mature in females






3. Small tubes located at the upper ends of the uterine horns. connects uterine horn to infundibulum. passageway of the egg.






4. Milk is 15% ________ and 85% __________.






5. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.






6. % of fat in milk. makes cheeses and ice cream. regulates cost of milk






7. 1. bring in new genes - 2. replace males with leg problems (difficulty breeding) Note: culling has a much greater emphasis in the dairy industry vs the beef industry.






8. 19-23 (21) days






9. Implies the amount of estrogen production






10. Cycle that lasts weeks (ovulation->hormone cycles->ovulation)






11. (male) pushes the testes upward toward the body for warmth or protection






12. Cleans and lubricates the urethra. secretion is thick - viscous - and very slippery.


13. Days which have decreasing daylight hours


14. (male) pushes the testes upward toward the body for warmth or protection






15. Male on one pin and female on other side






16. Constitute 50-90% of the volume of the ejaculate. (3 glands total: seminal vesicles - prostate gland - cowper's gland)






17. Provide nourishment for the developing sperm






18. 16-20 hours






19. (male) definition: duct located outside of the testes. 3 parts: head - body - tail. 4 Functions:concentrate sperm - store sperm - transport sperm - site of sperm maturation. entire process takes ~40-60 days






20. 1-3 days






21. 30-38 hours after estrus cycle begins






22. Duct which connects epididymis to urethra of the penis. transports sperm at ejaculation. cut to sterilize male.






23. When are steers and heifers weaned from bottle feeding?






24. Milk made by mother which includes antibodies for the calf. MUST be given to the calf within the first 24 hrs of life. also provides calf with energy stores. effectiveness lasts from 4-8 months of age.






25. 45-60 days after breeding; re-breed as required






26. (LH) causes female's egg to break (her period)






27. 1. visual evaluation - 2. scrotal circumference - 3. penis and prepuce observation - 4. rectal palpation - 5. libido test - 6. semen evaluation






28. 45-60 days after breeding; re-breed as required






29. 19-23 (21) days






30. FEED






31. Animals which have only one estrous cycle (ex: dog - fox)






32. Duct through penis that carries sperm and urine






33. Examine accessory glands - also to know how big the pelvic opening is->heritable->relates to how much dystocia that bull's daughter has






34. Knife-loose ~1wk of growth. band-loose ~2wks of growth.






35. Superior genes are _______ to multiply






36. Organ of copulation - provides passageway for semen and urine - muscular organ characterized especially by its spongy - erectile tissue that fills with blood






37. Cycle that lasts weeks (ovulation->hormone cycles->ovulation)






38. 26 hours after estrus begins






39. Castration tool which clamps down on the vans deferens. causes the sperm to not reach the penis to be ejaculated






40. Constitute 50-90% of the volume of the ejaculate. (3 glands total: seminal vesicles - prostate gland - cowper's gland)






41. 147 days






42. Animal which has been castrated after puberty






43. Days which have increasing daylight hours


44. Earlier you castrate a male - the easier it is on the animal. the longer you wait - death rates increase






45. Animal which has been castrated after puberty






46. Front feet and head first. (except for hogs and dogs)






47. Located directly in front of the cervix. fertilized egg implants here. connected to two uterine horns. implantation occurs on the same side as ovulation occurred.






48. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






49. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






50. 1-3 days